Trojan.Otfrem

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Trojan.Otfrem detection usually means that your computer is in big danger. This virus can correctly be identified as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Removing it requires some specific steps that must be done as soon as possible.
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Trojan.Otfrem detection is a virus detection you can spectate in your computer. It generally appears after the preliminary procedures on your PC – opening the untrustworthy email messages, clicking the banner in the Web or setting up the program from unreliable resources. From the instance it appears, you have a short time to do something about it before it begins its malicious action. And be sure – it is better not to wait for these destructive effects.

What is Trojan.Otfrem virus?

Trojan.Otfrem is ransomware-type malware. It looks for the documents on your computer, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this virus also does a lot of damage to your system. It alters the networking setups in order to stop you from looking for the elimination tutorials or downloading the antivirus. Sometimes, Trojan.Otfrem can additionally stop the setup of anti-malware programs.

Trojan.Otfrem Summary

Summarizingly, Trojan.Otfrem ransomware activities in the infected system are next:

  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Ciphering the documents kept on the victim’s disk — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of security tools

Ransomware has been a major problem for the last 4 years. It is challenging to realize a more hazardous malware for both individual users and companies. The algorithms utilized in Trojan.Otfrem (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy currently exists, and possibly will exist. But that malware does not do all these bad things instantly – it can require up to several hours to cipher all of your documents. Thus, seeing the Trojan.Otfrem detection is a clear signal that you should begin the elimination procedure.

Where did I get the Trojan.Otfrem?

Routine methods of Trojan.Otfrem injection are usual for all other ransomware variants. Those are one-day landing web pages where users are offered to download the free app, so-called bait emails and hacktools. Bait emails are a relatively new method in malware distribution – you receive the email that imitates some standard notifications about deliveries or bank service conditions updates. Within the email, there is a corrupted MS Office file, or a link which leads to the exploit landing site.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks pretty uncomplicated, however, still demands tons of awareness. Malware can hide in different spots, and it is far better to prevent it even before it goes into your PC than to trust in an anti-malware program. Standard cybersecurity knowledge is just an important item in the modern-day world, even if your relationship with a computer stays on YouTube videos. That may keep you a lot of time and money which you would certainly spend while looking for a solution.

Trojan.Otfrem malware technical details

File Info:

name: 55CC3289F9C74ED4F5B5.mlw
path: /opt/CAPEv2/storage/binaries/75523499d17db760cb27fbbe99c69bfb1dfd398863319f6e5644101918f76395
crc32: C8DADACC
md5: 55cc3289f9c74ed4f5b574589ce058da
sha1: bb607165e183ed89661f7a1e76ab8971d645db29
sha256: 75523499d17db760cb27fbbe99c69bfb1dfd398863319f6e5644101918f76395
sha512: 3134b23f4165290ba58bf392ff6d25a0e8c93ef04c912fa9778c169d571df158e1812ac621d27a3ce98c3b99948118c9e1745c87d7ccc551874d52f003109c92
ssdeep: 98304:SZmz+mzDmz+mzZmz+m9mz+mzZmz+mzZmzZmz+mzDmz+mzZmz+mOmz+mzZmz+I:SZmz+mzDmz+mzZmz+m9mz+mzZmz+mzZ+
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T18906D616F7609416F04280B5F929E2BEB91A2D721A81DC03FB866F5538B46D7F4F4B0B
sha3_384: b0cfa700ca39402683d92daa1dbd9155aeac14d921444df89cf682c953b210d1e6f4c7740539f7e8a30137b02e66ae6a
ep_bytes: 04ecfd019cd50885d20bb5f406b0f700
timestamp: 2008-11-16 03:29:47

Version Info:

0: [No Data]

Trojan.Otfrem also known as:

BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKD.38959977
FireEyeGeneric.mg.55cc3289f9c74ed4
McAfeeGenericRXRO-XY!55CC3289F9C7
CylanceUnsafe
Sangfor[MICROSOFT VISUAL BASIC V6.0]
CrowdStrikewin/malicious_confidence_100% (W)
K7GWTrojan ( 00590fc41 )
K7AntiVirusTrojan ( 00590fc41 )
BaiduWin32.Trojan.Otfrem.b
CyrenW32/Barys.AU.gen!Eldorado
ESET-NOD32a variant of Win32/Otfrem.C
APEXMalicious
ClamAVWin.Virus.Otfrem-9939925-0
BitDefenderTrojan.GenericKD.38959977
NANO-AntivirusTrojan.Win32.Autoruner.jkndwc
AvastWin32:Malware-gen
Ad-AwareTrojan.GenericKD.38959977
DrWebWin32.HLLW.Autoruner.48319
TrendMicroTROJ_GEN.R03BC0PE522
McAfee-GW-EditionBehavesLike.Win32.Generic.wm
EmsisoftTrojan.GenericKD.38959977 (B)
IkarusVirus.Win32.Otfrem
JiangminTrojan.Lunam.x
MAXmalware (ai score=86)
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
GDataTrojan.GenericKD.38959977
CynetMalicious (score: 100)
AhnLab-V3Malware/Win.PY.R468144
BitDefenderThetaGen:NN.ZexaF.34638.XpZ@aq1xs8f
ALYacTrojan.GenericKD.38959977
VBA32Trojan.Otfrem
MalwarebytesRansom.Agent.ED
TrendMicro-HouseCallTROJ_GEN.R03BC0PE522
RisingTrojan.Generic@AI.98 (RDMK:cmRtazp+klykDij/7l/Uqr3+ezvj)
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.121218.susgen
FortinetW32/Otfrem.C
AVGWin32:Malware-gen

How to remove Trojan.Otfrem?

Trojan.Otfrem malware is incredibly difficult to remove by hand. It puts its data in numerous locations throughout the disk, and can get back itself from one of the elements. Moreover, a lot of modifications in the registry, networking setups and also Group Policies are really hard to locate and return to the original. It is far better to utilize a special tool – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the most ideal for virus removal purposes.

Why GridinSoft Anti-Malware? It is really light-weight and has its detection databases updated just about every hour. Additionally, it does not have such problems and vulnerabilities as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect for taking out malware of any type.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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